Bring added comfort and control to long workdays with the Signature Comfort Plus M850 L Mouse. Its sculpted right-handed shape combines a built-in palm cushion, thumb rest, and extended rubber side grip to create a supportive resting place for your hand. SmartWheel scrolling provides precise line-by-line movement for detailed work and fast scrolling for long documents and webpages. Six buttons include a clickable SmartWheel, dedicated DPI button, and forward and back controls. Adjust sensitivity from 400 to 4,000 DPI using the onboard button or Logi Options+, and customize supported controls and gestures to fit your workflow. Connect directly through Bluetooth Low Energy or use a compatible Logi Bolt receiver, sold separately with the consumer version. Easy-Switch supports movement among as many as three paired devices. Quiet clicks help reduce distractions, while one replaceable AA battery provides up to 24 months of operation.